/ METHOD FOR THE USE OF A GSM/UMTS MOBILE COMMUNICATION NETWORK BY A USER EQUIPMENT ATTACHED TO A CORE NETWORK OF AN EVOLVED PACKET SYSTEM EPS MOBILE COMMUNICATION NETWORK

摘要

The invention relates to a method for use of a GSM / UMTS mobile communication network by a user equipment attached to a core network of an evolved packet system (EPS) mobile communication network, the use of a GSM / And / or the updating operation of the location area code (LAC) and / or the assignment of the serving mobile switching center (MSC) to the user equipment and / or the updating of the user equipment's current GERAN / UTRAN radio environment At least one of the steps is performed.